Exit poll: Third of GOP voters would mull third party over Trump vs. Clinton
© Greg Nash

Thirty-seven percent of Republican primary voters say they would consider a third-party candidate if faced with a general election matchup between Hillary ClintonHillary Diane Rodham ClintonAs Buttigieg rises, Biden is still the target Harris rips Gabbard over Fox appearances during Obama years Steyer, Gabbard and Yang shut out of early minutes of Democratic debate MORE and Donald TrumpDonald John TrumpFive takeaways from the Democratic debate As Buttigieg rises, Biden is still the target Leading Democrats largely pull punches at debate MORE, according to an NBC News exit poll on Tuesday.

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As primary voters in Florida, Illinois, Missouri, North Carolina and Ohio finish their ballots, NBC News polled Republicans and reported that 71 percent said they will or probably will vote for front-runner Trump if he is the eventual nominee, compared to 27 percent who would not.

Some 57 percent say they would be satisfied with a Trump-Clinton faceoff in November.
 
Ted CruzRafael (Ted) Edward CruzLawmakers spar over surveillance flight treaty with Russia Senators voice support for Iran protesters but stop short of taking action Prisons chief: FBI investigating whether 'criminal enterprise' played role in Epstein death MORE gets slightly higher numbers from GOP primary voters, with 45 percent saying they would definitely vote for him if he wins the nomination and 30 percent saying they probably will. Twenty-three percent say they would not vote for the Texas senator in a general election.